ET MALWARE Malicious lnk Activity

Query · suricata

flow:established,to_client;
file.data;
content:"ExpandEnvironmentStrings|28 22 25|Temp|25 5c|MaGiaiNenNe.txt|22 29|"; fast_pattern;
Raw source ET MALWARE Malicious lnk Activity · Suricata
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Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Malicious lnk Activity";
    flow:established,to_client;
    file.data;
    content:"ExpandEnvironmentStrings|28 22 25|Temp|25 5c|MaGiaiNenNe.txt|22 29|"; fast_pattern;
    reference:url,twitter.com/ShadowChasing1/status/1387602989033017346;
    reference:md5,57f02fe8fa9d096e5ac9b6c9be66f05b;
    classtype:trojan-activity;
    sid:2032891; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_04_29, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_29;
)

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